// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef BASE_FILE_VERSION_INFO_WIN_H_
#define BASE_FILE_VERSION_INFO_WIN_H_

#include <windows.h>

#include <stdint.h>

#include <memory>
#include <string>
#include <vector>

#include "base/base_export.h"
#include "base/file_version_info.h"
#include "base/macros.h"

struct tagVS_FIXEDFILEINFO;
typedef tagVS_FIXEDFILEINFO VS_FIXEDFILEINFO;

class BASE_EXPORT FileVersionInfoWin : public FileVersionInfo {
public:
    ~FileVersionInfoWin() override;

    // Accessors to the different version properties.
    // Returns an empty string if the property is not found.
    base::string16 company_name() override;
    base::string16 company_short_name() override;
    base::string16 product_name() override;
    base::string16 product_short_name() override;
    base::string16 internal_name() override;
    base::string16 product_version() override;
    base::string16 private_build() override;
    base::string16 special_build() override;
    base::string16 comments() override;
    base::string16 original_filename() override;
    base::string16 file_description() override;
    base::string16 file_version() override;
    base::string16 legal_copyright() override;
    base::string16 legal_trademarks() override;
    base::string16 last_change() override;
    bool is_official_build() override;

    // Lets you access other properties not covered above.
    bool GetValue(const wchar_t* name, std::wstring* value);

    // Similar to GetValue but returns a wstring (empty string if the property
    // does not exist).
    std::wstring GetStringValue(const wchar_t* name);

    // Get the fixed file info if it exists. Otherwise NULL
    const VS_FIXEDFILEINFO* fixed_file_info() const { return fixed_file_info_; }

private:
    friend FileVersionInfo;

    // |data| is a VS_VERSION_INFO resource. |language| and |code_page| are
    // extracted from the \VarFileInfo\Translation value of |data|.
    FileVersionInfoWin(std::vector<uint8_t>&& data,
        WORD language,
        WORD code_page);
    FileVersionInfoWin(void* data, WORD language, WORD code_page);

    const std::vector<uint8_t> owned_data_;
    const void* const data_;
    const WORD language_;
    const WORD code_page_;

    // This is a pointer into |data_| if it exists. Otherwise nullptr.
    const VS_FIXEDFILEINFO* const fixed_file_info_;

    DISALLOW_COPY_AND_ASSIGN(FileVersionInfoWin);
};

#endif // BASE_FILE_VERSION_INFO_WIN_H_
